code: def _add_transform_opts(parser):
      """Options related to transforms.
  
      Options that specified in the definitions of each transform class
      at `onmt/transforms/*.py`.
      """
      for name, transform_cls in AVAILABLE_TRANSFORMS.items():
          transform_cls.add_options(parser)
  
imports: import configargparse
  from onmt.modules.sru import CheckSRU
  from onmt.transforms import AVAILABLE_TRANSFORMS
  from onmt.constants import ModelTask
  from onmt.modules.position_ffn import ACTIVATION_FUNCTIONS
  from onmt.modules.position_ffn import ActivationFunction
  from onmt.constants import DefaultTokens
label_desc: Use image node_id 7 for calling a global function with example usage: _add_transform_opts(parser) without return types